Loudspeaker



FIG. 1 is a front perspective view of a loudspeaker showing my new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a cross-section taken on line 4--4 of FIG. 2. 

An ornamental design for a loudspeaker, substantially as shown and described. 